PK5500ENG USED Custom Alpha Keypad with English Function Keys with waterflow zones make installation easy simple and fast. They feature template programming for new users and a programming interface that experts will be familiar with. This product also features independent end-of-line (EOL) configuration that makes installation faster than ever before. Each zone can be independently matched to a devices EOL configuration reducing the time required to get a common EOL configuration across all devices. PowerSeries v4.2 gives the user more control thereby enhancing the functional experience. The user can Arm Away Arm Stay or Disarm all partitions with just one operation. PowerSeries control panels have a proven reputation for providing the value and dependability that security professionals expect. The modular design of PowerSeries control panels provides both versatility and flexibility in any application from small residential to medium-sized commercial. Packed with features they are easy to install easy to program and easy to use.DSC (Digital Security Controls) is a world leader in electronic security. Since the company’s genesis, the experts at DSC have been leading the way. From our revolutionary control panels, to our industry-leading IP alarm monitoring products and now to our sleek, contemporary self-contained wireless panels, DSC has always been front and center in the security space. DSC puts forth an unbeatable combination of leading-edge technology and industry experience.